_is a common feature of all mammals.
Correct answer: D. Mammary glands
- A. Viviparous
- B. Have placenta
- C. Right aortic arch
- D. Mammary glands
Explanation
Mammary glands are a characteristic of all mammals. These specialized glands produce milk, which is used to nourish and feed the young. The milk is rich in nutrients and antibodies, which help to protect the young from disease and infection. Mammals are named after these glands, which are unique to the class Mammalia.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
About Kingdom Animalia
Animals are multicellular, heterotrophic eukaryotes whose cells lack cell walls and chloroplasts, with specialised tissues in most groups. Coverage includes body symmetry, tissue layers, coelom, segmentation and levels of organisation, plus major phyla such as Porifera, Cnidaria, Platyhelminthes, Annelida, Arthropoda, Mollusca and Chordata.
Practise Biodiversity and Variety of Life
3,130 free Biodiversity and Variety of Life MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.